If you are on these older versions, we recommend you upgrade to at least macOS 10.12 Sierra to continue to stay current with Sibelius. Use Sibelius to compose rich scores with the core tools you need to create and share professional scores easily.Sibelius 2019.9 is the last version of Sibelius to support Mac OS X 10.10 Yosemite and Mac OS X 10.11 El Capitan. Music Notation software used by great composers, arrangers, publishers and educators.
